<form name="frm" enctype="multipart/form-data" method="post" action="{:U('upload')}"><input id="File" name="File" type="File" size="38" style="font-size:12px;border-width:1px">&nbsp;<input type="Submit" name="Submit" value=" 上 传 " class="inputsub" onclick="addtitle()"></form>